Second set of introductory problems:
I. From Weeks Adkins A Course in Geometry (1961), pp. 11-12 [click to enlarge]:
II. From Discovering Geometry: An Investigative Approach (2003), pp. 8-9 [click to enlarge]:
III. Extra Credit:
1. Which is more important in the 21st century: precise definitions or artistic designs?
2. Estimate the volume and mass of the Discovery and Akins texts. Hint: one of these texts has twice the volume and three times the mass of the other.